S
M
T
W
T
F
S
29
66°
37°
30
86°
46°
31
69°
46°
1
47°
38°
2
38°
38°
3
52°
35°
4
43°
35°
5
57°
32°
6
48°
33°
7
41°
32°
8
74°
35°
9
59°
40°
10
61°
40°
11
60°
56°
12
72°
62°
13
80°
49°
14
61°
36°
15
55°
38°
16
62°
46°
17
66°
46°
18
68°
47°
19
69°
50°
20
71°
51°
21
62°
38°
22
56°
40°
23
57°
45°
24
64°
44°
25
59°
43°
26
58°
39°
27
58°
45°
28
63°
47°
29
68°
49°
30
70°
47°
1
62°
44°
2
59°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Gilman
Gilman's April 2026 forecast shows daily high temperatures ranging from 55° to 80°, with overnight lows between 35° and 62°. The average high for April is 64° with an average low of 45°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Gilman. See also: May | June | July.